entry fees are 175- dollars for u.s. runners. you can register at chicago marathon.com. the cure to some diseases may be somewhere out there. coming up in the medical watch, how outter space may hold the key to healing. lady gaga spotted on michigan avenue but she wasn't walking. she was in a wheelchair. there was widespread concern practice could lead to breast cancer but a study of 67,000 women in israel fog will link between breast cancer and ivf. there was a slightly elevated threat of ovarian cancer. studying in space could give scientists a grounding in to see spirit biological experiments from the international space station. she has already found a way to slow bacteria here are. they are using ways to research the effect of microgravity on disease causing organisms. researchers tracked 600 families aged three to five. have switched from aggressive violent content and instead watched educational program showing tolerance and diversity. after six months the children increased their pro social activities and were more likely to compromise and cooperate. the state te